became a strong independent or libertarian candidate for president and rudy guiliani, and past winners, michele bachmann. they did not go on to be president, but popular at the gathering. >> tucker: you want to look at the republican debates, look at the cpac lineup, pretty accurate. >> alisyn: and dr. ben carson in the limelight after the national prayer breakfast,' he gave his vision before the president. he was a huge hit and got rousing standing ovation from the podium there and he made a-- possibly a slip or a joke about running for the white house. let's listen to dr. carson. >> it's almost laughable some of the things i hear people say to criticize me, he's a neuro surgeon, he couldn't know anything about economics. it's not brain surgery. i can tell you this much, even as a local brain surgeon, if you have the highest corporate tax rates in the world, then of course corporations are going to have money elsewhere. corporations are not in business to be social welfare organizations. they are there to make money and a wise government knows how to use that to their advantage. >> alisyn: all